solveit please please
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Hope it is correct........
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Ekanshbansal:
yes
Thanx
For saying it correct
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x=√5+√2/√5-√2
=(√5+√2) (√5+√2) /(√5-√2) (√5+√2)
=5+2+2√10/3
=7+√10/2
y=(√5-√2) /(√5+√2)
=(√5-√2) (√5-√2) /(√5+√2) (√5-√2)
=5+2-2√10/3
=7-2√10/3
x^2+xy+y^2
(7+2√10/3) ^2+(7-2√10) (7+2√10) +(7-2√10/3) ^2
=49+40+28√10/9+9+49+40-28√10/9
=178/9+9
=251/9
251 is your required answer
=(√5+√2) (√5+√2) /(√5-√2) (√5+√2)
=5+2+2√10/3
=7+√10/2
y=(√5-√2) /(√5+√2)
=(√5-√2) (√5-√2) /(√5+√2) (√5-√2)
=5+2-2√10/3
=7-2√10/3
x^2+xy+y^2
(7+2√10/3) ^2+(7-2√10) (7+2√10) +(7-2√10/3) ^2
=49+40+28√10/9+9+49+40-28√10/9
=178/9+9
=251/9
251 is your required answer
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